Maybe I'm missing something here, but from the pictures you posted I don't see any electrical cords running to/from your tank. What are you using to create a hotspot/basking area for your leo?
Typically people using UTHs to accomplish a warm area on the floor of 90-95 degrees Fahrenheit.
Typically people using UTHs to accomplish a warm area on the floor of 90-95 degrees Fahrenheit.